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| We welcome and encourage contributions to the development and testing of a more robust, feature-rich Lustre. Three options are available for accessing Lustre code:
| | <small>''(Updated: Jan 2010)''</small> |
| * ''Anonymous access''. You can obtain Lustre source code by [[#Accessing the Open CVS repository|Accessing the Open CVS repository]]. When using this option, you will have read-only access to the code. See [[Contribution Landing Page]] for how to submit code.
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| * ''Read/write access''. With a password-protected account, you can check out Lustre source code by [[#Accessing the Lustre CVS repository|Accessing the Lustre CVS repository]]. After signing a Contributor Agreement (see our Contribution Policy), you will be able to submit changes directly to the Lustre code.
| | '''''NOTICE:''''' The transition from CVS to Git took place on Monday, December 14. For more information about the transition, see the [[Git Transition Notice]]. For details about how to migrate to Git, see [[Migrating to Git]]. |
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| * ''Authorized access''. Obtaining Lustre source code by [[#Accessing the External Lustre CVS repository|Accessing the External Lustre CVS repository]] requires a password-protected account and authorization from Sun Microsystems.
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| For all these options, the Concurrent Versions System (CVS) must be installed on your local system. For more information about CVS, see [http://www.nongnu.org/cvs CVS - Concurrent Versions System].
| | We welcome and encourage contributions to the development and testing of a more robust, feature-rich Lustre™. You can obtain the latest bleeding-edge Lustre source code by anonymous Git access. |
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| '''''Note:''''' If you have questions or experience problems with using any of these options, send email to the [mailto:lustre-wiki-feedback@sun.com CVS Administrator]
| | git clone git://git.lustre.org/prime/lustre.git |
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| === Naming conventions ===
| | '''''Note:''''' For more information about using Git, including tutorials and guides to help you get started, see the [http://git-scm.com/documentation Git documentation] page. ''For descriptions of the commands you are most likely to need, see the Commands section at the bottom of this page.'' |
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| Stable development branches are named b''{major}''_''{minor}'' (for example, b1_6 and b1_8). Even-numbered minor releases are considered stable releases. Odd-numbered minor releases correspond to alpha and beta releases and will sometimes be given v''{major}''_''{minor}''_''{patch}'' tags to provide a point of reference for internal and external testing.
| | See [[Contribute]] for more information about developing, testing, and submitting a patch to the Lustre code. |
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| A release branch is created an official release to isolate it from further development and named b_release_''{major}''_''{minor}''_''{patch}'' (for example, b_release_1_8_0). A final release gets a tag in the form v''{major}''_''{minor}''_''{patch}'' (for example, v1_8_0 or v1_6_7_1).
| | '''''Note:''''' If you have questions or experience problems, send email to the [mailto:lustre-wiki-feedback@sun.com Admins]. |
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| Long-range development is done on the HEAD branch.
| | For more information about Git, see the [http://git-scm.com/ Git home] |
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| === Lustre Modules === | | === Naming conventions === |
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| These Lustre modules are needed to build Lustre. They are automatically checked out when the ''lustrecvs'' script is run for specified a Lustre branch or tag, such as HEAD, b1_8, or v1_8_1:
| | Stable development branches are named b''{major}''_''{minor}'' (for example, b1_6 and b1_8). Even-numbered minor releases are considered stable releases. Odd-numbered minor releases correspond to alpha and beta releases and will sometimes be given v''{major}''_''{minor}''_''{patch}'' tags to provide a point of reference for internal and external testing. |
| *lustre
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| *ldiskfs
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| *libsysio
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| *lnet
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| *lustre-build (as .../build)
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| *lustre-core (as .../lustre)
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| *lustre-snmp (as .../snmp)
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| See the following sections for details.
| | A release branch is created an official release to isolate it from further development and named b_release_''{major}''_''{minor}''_''{patch}'' (for example, b_release_1_8_0). A final release gets a tag in the form v''{major}''_''{minor}''_''{patch}'' (for example, v1_8_0 or v1_6_7_1). |
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| == Accessing the Open CVS repository ==
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| The Open CVS repository allows anonymous, read-only access to the Lustre code. See [[Contribution Landing Page]] for more information about submitting a patch to the Lustre code when you do not have read/write access to CVS.
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| === Checking out code from Open CVS ===
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| To check out Lustre source code from the Open CVS repository, complete these steps.
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| 1. Set CVSROOT in your environment by entering one of these commands:
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| :pserver:anonymous@cvs.lustre.org:/lustre
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| :or
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| cvs -d :pserver:anonymous@cvs.lustre.org:/lustre login
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| 2. Log in to CVS. If a password is requested, hit <enter> to continue.
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| cvs login
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| 3. Check out the lustre source.
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| cvs co lustre
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| 4. Check out lustre modules.
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| cd lustre
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| ./lustrecvs b1_8
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| :In this example, modules for Release 1.8 are checked out.
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| === Example ===
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| In this example, all sources are checked out into ''~/tmp''.
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| <code>
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| user@host:~$ '''cd tmp'''
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| user@host:~/tmp$ '''cvs -d :pserver:anonymous@cvs.lustre.org:/lustre login'''
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| Logging in to :pserver:anonymous@cvs.lustre.org:2401/lustre
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| CVS password: <font color="red">''(Leave blank, hit <Enter>)''</font>
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| </code>
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| <code>
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| user@host:~/tmp$ '''cvs -d :pserver:anonymous@cvs.lustre.org:/lustre co lustre'''
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| cvs checkout: Updating lustre
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| U lustre/.cvsignore
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| U lustre/COPYING
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| U lustre/ChangeLog
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| U lustre/Makefile.in
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| U lustre/README
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| U lustre/README.lustrecvs
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| U lustre/autoMakefile.am
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| U lustre/autogen.sh
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| U lustre/configure.ac
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| U lustre/lustre.spec.in
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| U lustre/lustrecvs
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| </code>
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| <code>
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| user@host:~/tmp$ '''cd lustre'''
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| user@host:~/tmp/lustre$ '''./lustrecvs b1_8'''
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| lustrecvs: updating lustrecvs
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| cvs update: Updating .
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| lustrecvs: Checking out build from b1_8
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| cvs checkout: Updating build
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| U build/.cvsignore
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| U build/Makefile
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| U build/README.kernel-source | |
| U build/Rules.in
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| U build/autoMakefile.am
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| U build/autoMakefile.am.toplevel
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| .........
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| </code>
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| To check out the most recent code for the release currently in development, replace b1_8 with HEAD.
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| == Accessing the Lustre CVS repository ==
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| The Lustre CVS repository allows read/write access to Lustre code.
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| [[This page contains instructions for obtaining CVS versions of Lustre,]] '''[[as well as migrating checkouts from sourceforge to the new CVS server.]]''' [[Ask rmg team]].
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| === Checking out code from Lustre CVS ===
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| To check out Lustre source code from the Lustre CVS repository, complete these steps.
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| 1. Test that your account is working by logging into [https://bugzilla.lustre.org/userprefs.cgi bugzilla]. CVS and bugzilla share the same account information.
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| 2. To upload a public ssh key to use in place of typing in a password, go to bugzilla's [http://bugzilla.lustre.org/userprefs.cgi user preferences]. If there is no "Change Public SSH key" field,send email to [mailto:cvs-admin@cvs.lustre.org cvs-admin@cvs.lustre.org]. (''Note:'' Currently, only SSH2 keys are supported.)
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| 3. Set the ''CVS_RSH'' environment variable.
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| : For bash users, enter: <pre>export CVS_RSH=ssh</pre>
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| : For csh users, enter: <pre>setenv CVS_RSH ssh</pre>
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| : Consider setting ''CVS_RSH'' in your .bashrc or .cshrc.
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| 4. Check out lustre by running the following (change ''youraccountname'' to your cvs account name specified on the [https://bugzilla.lustre.org/userprefs.cgi user preferences page]):
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| <pre>
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| $ cvs -d :ext:youraccountname@cvs.lustre.org:/cvsroot/cfs co lustre
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| $ cd lustre
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| $ ./lustrecvs b1_8
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| </pre>
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| == Accessing the Lustre External CVS repository ==
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| The Lustre External CVS repository read-only access by authorized users to proprietary Lustre code. This read-only repository is synchronized with the internal CVS repository every three hours.
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| ==== Legal Notice ====
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| : All software obtained from this CVS repository is considered pre-release proprietary software and is therefore confidential information. You may not redistribute any software obtained from this CVS repository and must destroy all copies upon request.
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| : Unless otherwise authorized, you have a limited license to read, modify, compile, and use software obtained from this CVS repository in a non-production test environment.
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| : If you do not agree with these restrictions, ''do not use the CVS repository''. Please email us to have your account disabled.
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| === Checking out code from Lustre External CVS ===
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| To check out Lustre source code from the Lustre External CVS repository, complete these steps.
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| 1. Check out the top-level lustre directory, where {username} is your Bugzilla account id. When prompted for a password, enter your Bugzilla password.
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| : <pre>
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| : $ cvs -d {username}@cvs.clusterfs.com:/cvsroot/lustre-external co lustre
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| </pre>
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| 2. Get the desired CVS tag.
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| : Download the Lustre source tree associated with the desired CVS tag using the lustrecvs script, where ''<tag or branch>'' is a valid Lustre branch or tag name (e.g. b1_8, HEAD, v1_9_250)
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| : <pre>
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| : $ cd /your/cvs/checkout/lustre
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| : $ ./lustrecvs ''<tag or branch>''
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| </pre>
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| | Work for the next upcoming version is done on the ''master'' branch. |
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| '''''Note''''': To update the tree or to change branches, run the "lustrecvs <tag>" command again. Do NOT use "cvs update".
| | The Lustre [[Subsystem Map]] describes each of the subsystems in the Lustre code. |
(Updated: Jan 2010)
NOTICE: The transition from CVS to Git took place on Monday, December 14. For more information about the transition, see the Git Transition Notice. For details about how to migrate to Git, see Migrating to Git.
We welcome and encourage contributions to the development and testing of a more robust, feature-rich Lustre™. You can obtain the latest bleeding-edge Lustre source code by anonymous Git access.
git clone git://git.lustre.org/prime/lustre.git
Note: For more information about using Git, including tutorials and guides to help you get started, see the Git documentation page. For descriptions of the commands you are most likely to need, see the Commands section at the bottom of this page.
See Contribute for more information about developing, testing, and submitting a patch to the Lustre code.
Note: If you have questions or experience problems, send email to the Admins.
For more information about Git, see the Git home
Naming conventions
Stable development branches are named b{major}_{minor} (for example, b1_6 and b1_8). Even-numbered minor releases are considered stable releases. Odd-numbered minor releases correspond to alpha and beta releases and will sometimes be given v{major}_{minor}_{patch} tags to provide a point of reference for internal and external testing.
A release branch is created an official release to isolate it from further development and named b_release_{major}_{minor}_{patch} (for example, b_release_1_8_0). A final release gets a tag in the form v{major}_{minor}_{patch} (for example, v1_8_0 or v1_6_7_1).
Work for the next upcoming version is done on the master branch.
The Lustre Subsystem Map describes each of the subsystems in the Lustre code.
